<template>
  <div id="app">
    <router-view v-if="isRouterAlive"></router-view>
  </div>
</template>

<script>

export default {
  name: 'App',
  provide() { //父组件中通过provide来提供变量，在子组件中通过inject来注入变量。
    return {
      reload: this.reload,
    }
  },
  components: {
  },
  data() {
    return {
      empty: '',
      isRouterAlive: true //控制视图是否显示的变量
    }
  },
  methods: {
    reload() {
      this.isRouterAlive = false; //先关闭，
      this.$nextTick(() => {
        this.isRouterAlive = true; //再打开
      })
    }
  }
}
</script>

<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #2c3e50;
}
</style>
